Conversion formula

The conversion factor from knots to feet per second is 1.6878098570997, which means that 1 knot is equal to 1.6878098570997 feet per second:

1 kt = 1.6878098570997 ft/s

To convert 991 knots into feet per second we have to multiply 991 by the conversion factor in order to get the velocity amount from knots to feet per second. We can also form a simple proportion to calculate the result:

1 kt → 1.6878098570997 ft/s

991 kt → V_(ft/s)

Solve the above proportion to obtain the velocity V in feet per second:

V_(ft/s) = 991 kt × 1.6878098570997 ft/s

V_(ft/s) = 1672.6195683858 ft/s

The final result is:

991 kt → 1672.6195683858 ft/s

We conclude that 991 knots is equivalent to 1672.6195683858 feet per second:

991 knots = 1672.6195683858 feet per second

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 foot per second is equal to 0.00059786458253926 × 991 knots.

Another way is saying that 991 knots is equal to 1 ÷ 0.00059786458253926 feet per second.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that nine hundred ninety-one knots is approximately one thousand six hundred seventy-two point six two feet per second:

991 kt ≅ 1672.62 ft/s

An alternative is also that one foot per second is approximately zero point zero zero one times nine hundred ninety-one knots.

Conversion table

knots to feet per second chart

For quick reference purposes, below is the conversion table you can use to convert from knots to feet per second